{"count":60936,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=subsequent_pairing_method&page=2028","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=subsequent_pairing_method&page=2026","results":[{"id":41726,"name":"第2回かおり杯(4級戦)","director":{"id":573795,"username":"かおり Kaori","country":"jp","icon":"https://secure.gravatar.com/avatar/acd3b1f0baab0021e6daeddbbb830204?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1451.935744574739,"deviation":68.01548642686912,"volatility":0.060041555522167854}},"ranking":23.549445813438044,"professional":false,"ui_class":""},"description":"楽しみましょう〜！","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":15360,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":86400,"max_time":129600,"time_increment":14400,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":2969,"name":"かおり杯-World Kaori Cup-","summary":"For every player who enjoy go game","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":298,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"},"auto_start_on_max":false,"time_start":"2018-10-13T14:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-10-13T14:00:44.523777Z","ended":"2018-11-10T06:05:20.012743Z","start_waiting":"2018-10-13T14:00:43.890241Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png","player_count":6,"ranked":true},{"id":41728,"name":"第2回かおり杯(四段戦)","director":{"id":573795,"username":"かおり Kaori","country":"jp","icon":"https://secure.gravatar.com/avatar/acd3b1f0baab0021e6daeddbbb830204?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1451.935744574739,"deviation":68.01548642686912,"volatility":0.060041555522167854}},"ranking":23.549445813438044,"professional":false,"ui_class":""},"description":"楽しみましょう〜！","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":15360,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":86400,"max_time":129600,"time_increment":14400,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":2969,"name":"かおり杯-World Kaori Cup-","summary":"For every player who enjoy go game","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":298,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"},"auto_start_on_max":false,"time_start":"2018-10-13T14:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-10-13T14:00:50.497925Z","ended":"2018-10-30T09:14:36.923849Z","start_waiting":"2018-10-13T14:00:48.154833Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png","player_count":10,"ranked":true},{"id":43919,"name":"Go club Tournament","director":{"id":599241,"username":"crispinwild85","country":"gb","icon":"https://user-uploads.online-go.com/31b87dbafea182919ff948c9ddf4b105-64.png","ratings":{"version":5,"overall":{"rating":533.7798770422186,"deviation":88.9504369742572,"volatility":0.06000806588071868}},"ranking":5,"professional":false,"ui_class":""},"description":"making friends","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":3189,"name":"Go club","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":4,"icon":"https://user-uploads.online-go.com/39b34fe6582c84ffae513778e94ba37f-64.png"},"auto_start_on_max":false,"time_start":"2018-12-22T21:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-12-23T00:22:37.375488Z","ended":"2019-01-03T22:25:31.014241Z","start_waiting":"2018-12-23T00:22:37.184989Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/39b34fe6582c84ffae513778e94ba37f-15.png","player_count":4,"ranked":true},{"id":79146,"name":"Portland Go Club Round Robin Correspondence 2nd Attempt","director":{"id":414247,"username":"deleted-fa804cd8-6ab7-464b-9086-37132b9f0d41","country":"_Klingon","icon":"https://user-uploads.online-go.com/49d1118f9ed64c8cba93995915666bdf-64.png","ratings":{"version":5,"overall":{"rating":1408.0284845072122,"deviation":68.28960173181599,"volatility":0.06003110566876167}},"ranking":22.838574726758207,"professional":false,"ui_class":""},"description":"Whoops, I messed up the last tournament, so I'm making another! Join in if you want to play some of your fellow PGC players!","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":93120,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":604800,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":5361,"name":"Portland Go Club","summary":"The Portland Go Club Group on OGS","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":78,"icon":"https://user-uploads.online-go.com/535302be35a16be59b81aa9e31def42a-64.png"},"auto_start_on_max":false,"time_start":"2021-09-30T20:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-08-23T21:05:44.524657Z","ended":"2021-09-23T07:24:41.145560Z","start_waiting":"2021-08-23T21:05:44.101996Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/535302be35a16be59b81aa9e31def42a-15.png","player_count":6,"ranked":true},{"id":90726,"name":"Aリーグ（2級以上）","director":{"id":776731,"username":"AYAMI.S","country":"un","icon":"https://user-uploads.online-go.com/5985cab067a8cd43093abdd527e1fd32-64.png","ratings":{"version":5,"overall":{"rating":2135.391155460219,"deviation":62.434741307036,"volatility":0.05997799478924156}},"ranking":32.47960874599521,"professional":false,"ui_class":""},"description":"リーグ開始時に参加されているメンバーでの総あたり戦になります。（レーティングによる自動ハンデ付き）\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":20160,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":true,"total_time":1814400},"is_open":true,"exclude_provisional":false,"group":{"id":7692,"name":"Yushima Go Cafe （湯島囲碁喫茶）","summary":"This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト＆オンライン囲碁サロンメンバー専用のグループです。","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":114,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"},"auto_start_on_max":false,"time_start":"2022-06-09T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":28,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2022-06-09T11:00:19.195177Z","ended":"2022-07-19T03:30:00.752504Z","start_waiting":"2022-06-09T11:00:19.027824Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png","player_count":5,"ranked":true},{"id":143618,"name":"Correspondence 13x13 RoundRobin 2026-08-27 19:00","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1125.8827017028436,"deviation":78.19731452501959,"volatility":0.06006087171771568}},"ranking":17.66169912212786,"professional":false,"ui_class":"supporter moderator admin"},"description":"Automatic Site-wide Tournament","schedule":{"id":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260904T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-09-04T19:00:33.337379Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":259200,"time_increment":86400},"min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":10},"next_run":"2026-09-07T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":90782,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2026-08-27T19:00:25.962884Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-08-27T19:01:25.613287Z","ended":null,"start_waiting":"2026-08-27T19:01:25.392000Z","board_size":13,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":6,"ranked":true},{"id":49414,"name":"training","director":{"id":629704,"username":"éphédio","country":"fr","icon":"https://user-uploads.online-go.com/ff025ba09d18d7084033ee061ef89d80-64.png","ratings":{"version":5,"overall":{"rating":716.7349439079935,"deviation":74.42620290508277,"volatility":0.059998984920183906}},"ranking":7.206776400930263,"professional":false,"ui_class":""},"description":"it's a training","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","time_per_move":31,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":30,"initial_time":120,"max_time":300},"is_open":true,"exclude_provisional":true,"group":{"id":3547,"name":"unit of the avatar","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":4,"icon":"https://user-uploads.online-go.com/4c18c9d86347aeb6b78fad5189cb5b6c-64.png"},"auto_start_on_max":false,"time_start":"2019-06-17T07:30:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":10,"analysis_enabled":true,"exclusivity":"open","started":"2019-06-17T07:30:27.843249Z","ended":"2019-06-17T07:44:19.300522Z","start_waiting":"2019-06-17T07:30:27.570504Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/4c18c9d86347aeb6b78fad5189cb5b6c-15.png","player_count":2,"ranked":true},{"id":41727,"name":"第2回かおり杯(初段戦)","director":{"id":573795,"username":"かおり Kaori","country":"jp","icon":"https://secure.gravatar.com/avatar/acd3b1f0baab0021e6daeddbbb830204?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1451.935744574739,"deviation":68.01548642686912,"volatility":0.060041555522167854}},"ranking":23.549445813438044,"professional":false,"ui_class":""},"description":"楽しみましょう〜！","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":15360,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":86400,"max_time":129600,"time_increment":14400,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":2969,"name":"かおり杯-World Kaori Cup-","summary":"For every player who enjoy go game","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":298,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"},"auto_start_on_max":false,"time_start":"2018-10-13T14:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-10-13T14:00:42.031021Z","ended":"2018-11-11T23:25:42.416568Z","start_waiting":"2018-10-13T14:00:40.522368Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png","player_count":8,"ranked":true},{"id":139690,"name":"Meijin Main 2019 Title Match - Board 5","director":{"id":40318,"username":"gamesorry","country":"cn","icon":"https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2005.6088688450825,"deviation":68.91898711531289,"volatility":0.06015473951207492}},"ranking":31.028053950463246,"professional":false,"ui_class":"supporter"},"description":"<!-- \nMeijin Main 2019 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:green\" href='https://online-go.com/player/43936'>Sadaharu [Meijin] x1+1</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>12th</td>\n\t<td style=\"color:green\">Meijin</td>\n\t<td>Main</td>\n\t<td>2019</td>\n\t<td><a style=\"color:green\" href='https://online-go.com/player/43936'>Sadaharu [Meijin]</a></td>\n\t<td><a href='https://online-go.com/user/view/418737'>Puffin888 [5d]</a></td>\n\t<td><a href='https://online-go.com/game/87259711'>Board 1</a></td>\n\t<td><a href='https://online-go.com/game/87289336'>Board 2</a></td>\n\t<td><a href='https://online-go.com/game/87289380'>Board 3</a></td>\n\t<td><a href='https://online-go.com/game/87289414'>Board 4</a></td>\n\t<td><a href='https://online-go.com/tournament/139690'>Board 5</a></td>\n</tr>\n</table>\n\n\nTitle Tournament: <a style=\"color:green\" href='https://online-go.com/tournament/43369'>Meijin Main Title Tournament 2019</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":91187,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":604800,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":515,"name":"OGS Title Tournaments","summary":"Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":3017,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2026-05-25T05:42:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2026-05-25T05:42:16.448210Z","ended":null,"start_waiting":"2026-05-25T05:42:16.417280Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":2,"ranked":true},{"id":140883,"name":"9x9 Mini League 10k-25k #396","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1394.1671134384214,"deviation":74.26657066881366,"volatility":0.06029834717048262}},"ranking":22.609544777668567,"professional":false,"ui_class":""},"description":"Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":95543,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":3524,"name":"9x9 Lovers","summary":"A group for Go players who love the 9x9 board.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":715,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2026-06-07T19:05:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2026-06-06T18:24:29.270243Z","ended":"2026-07-17T20:13:52.967167Z","start_waiting":"2026-06-06T18:24:29.140376Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true}]}